package com.atbeijing.bigdata.spark.core.rdd.part;
import java.util.*;
public class Test {
    public static void main(String[] args) {

        List list = new ArrayList();
        list.add(new Emp());

        List<User> users = list;
        System.out.println(users);


    }
}
class Emp {

}
class User {

}
